1672104 has 64 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 463104.

The previous prime is 1672091. The next prime is 1672117. The reversal of 1672104 is 4012761.

It is an interprime number because it is at equal distance from previous prime (1672091) and next prime (1672117).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6082 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2^1672104 is an apocalyptic number.

1672104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462400).

1672104 is an abundant number, since it is smaller than the sum of its proper divisors (3252696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672104 is a wasteful number, since it uses less digits than its factorization.

1672104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1672104 is about 1293.0986041289. The cubic root of 1672104 is about 118.6919036226.

Adding to 1672104 its reverse (4012761), we get a palindrome (5684865).

The spelling of 1672104 in words is "one million, six hundred seventy-two thousand, one hundred four".